import bisect
import random

SIZE = 7

random.seed(1729)
# bisect.insort_left()——插入重复数值时,用来决定是插在左边还是右边
my_list = []
for i in range(SIZE):
    new_item = random.randrange(SIZE**2)
    bisect.insort(my_list, new_item)
    print('%2d ->' % new_item, my_list)

